The active element in CaFe is calcium. CaFe blends are used for the treatment of Aluminum killed steel. Detailed Introduction Product name: CaFeType:cored wires with Calcium and Fe powder mixtureMelting point:839°C(1558°F)Boiling point: 1484°C(2703°F)Application: The active element in CaFe is calcium. The Ca+Fe mixture are used for Al-killed steel treatment to avoid silicon addition. Due to its ...